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Kraak VI, Harrigan PB, Lawrence M, Harrison PJ, Jackson MA, Swinburn B.Kraak VI, et al.Public Health Nutr. 2012 Mar;15(3):503-17. doi: 10.1017/S1368980011002060. Epub 2011 Oct 13.Public Health Nutr. 2012.PMID: 22014282
Kraak V, Englund T, Misyak S, Serrano E.Kraak V, et al.Int J Environ Res Public Health. 2017 Jul 12;14(7):760. doi: 10.3390/ijerph14070760.Int J Environ Res Public Health. 2017.PMID: 28704965Free PMC article.